Fixed index for to datetime and time
don't fail on incorrect date string
don't uninstall distribute on travis, it's not there
Preparing release 3.1-FHNW2
Back to development: 4.0
don't show internal release in history
Pep8
Pep8
Add latest commits to CHANGES.
Rename CHANGES.txt -> CHANGES.rst according to best practice.
Prepare 4.0 release and add Solr 4.x compatibility as top changelog entry.
Back to development.
Add coverage.io badge.
Move icon_expr from actionicons.xml to controlpanel.xml to avoid deprecation warnings.
Add support for solr.FloatField.
More badges.
Add coveralls to .travis.yml.
Add createcoverage to travis.cfg.
Prepare 4.0.1 release.
Add .coveragerc.